#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;

const int NMAX = 2000005;
struct QUEUE{
    bool c;
    int r , t;
};

int cmmdc(int a , int b)
{
    int r;
    while(b)
    {
        r = a % b;
        a = b;
        b = r;
    }
    return a;
}

int cmmmc(int a,int b)
{
    return 1LL * a * b / cmmdc(a,b);
}

QUEUE q[NMAX];
bool viz[NMAX];
bool sol[NMAX];

int main()
{
    freopen("multiplu.in","r",stdin);
    freopen("multiplu.out","w",stdout);
    int M , A , B,r;
    scanf("%d%d",&A,&B);
    M = cmmmc(A,B);
    int p , u;
    p= u = 1;
    QUEUE temp;
    temp.c = 1;
    temp.r = 1;
    temp.t = 0;
    q[u] = temp;
    viz[r] = 1;
    while(p <= u)
    {
        temp = q[p];
        r = (temp.r * 10 + 0) % M;
        if(viz[r] == 0)
        {
            viz[r] = 1;
            u++;
            q[u].c = 0;
            q[u].r = r;
            q[u].t = p;
            if(r == 0)
                break;
        }
        r = (temp.r * 10 + 1) % M;
        if(viz[r] == 0)
        {
            viz[r] = 1;
            u++;
            q[u].c = 1;
            q[u].r = r;
            q[u].t = p;
            if(r == 0)
                break;
        }
        p++;
    }
    int x = u;
    int k = 0;
    while(q[x].t != 0)
    {
        sol[++k] = q[x].c;
        x = q[x].t;
    }
    sol[++k] = q[x].c;
    for(int i = k ; i >= 1 ; i--)
        printf("%d",sol[i]);
    return 0;
}